diff --git a/usage/pom.xml b/usage/pom.xml
old mode 100755
new mode 100644
index c5e7e8c..619088d
--- a/usage/pom.xml
+++ b/usage/pom.xml
@@ -40,7 +40,7 @@
     <dependency>
       <groupId>junit</groupId>
       <artifactId>junit</artifactId>
-      <version>4.12</version>
+      <version>4.13.1</version>
       <scope>test</scope>
     </dependency>